MAX3656ETG+T Maxim Integrated Products, MAX3656ETG+T Datasheet - Page 5

• Manufacturer Part Number: MAX3656ETG+T
• Description: IC LASR DRVR 2.5GBPS 3.6V 24TQFN
• Manufacturer: Maxim Integrated Products
• Type: Laser Diode Driver (Fiber Optic)r

Specifications of MAX3656ETG+T

• Data Rate: 2.5Gbps
• Number Of Channels: 1
• Voltage - Supply: 3 V ~ 3.6 V
• Current - Supply: 40mA
• Current - Modulation: 85mA
• Current - Bias: 70mA
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 24-TQFN Exposed Pad
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: MAX3656ETG+T; MAX3656ETG+TTR

Figure 1. Enable and Disable Delay Times
(T
A
= +25°C, unless otherwise noted.)
EXCELIGHT SLT2886-LR LASER
AVERAGE OPTICAL POWER = -6dBm
EXTINCTION RATIO = 15dB
MASK MARGIN = 45%
I
+
I
BIAS
MOD
(155.52Mbps, 117MHz FILTER,
ENABLE DELAY
BEN+
BEN-
PATTERN = 2
OPTICAL EYE DIAGRAM
_______________________________________________________________________________________
23
- 1 PRBS)
MAX3656 toc01
10% OF I
BEN ±MIDPOINT
DISABLE DELAY
BIAS
155Mbps to 2.5Gbps Burst-Mode
EXCELIGHT SLT2886-LR LASER
AVERAGE OPTICAL POWER = -6dBm
EXTINCTION RATIO = 15dB
MASK MARGIN = 40%
I
I
(622.08Mbps, 467MHz FILTER,
FINAL
I
FINAL
FINAL
PATTERN = 2
OPTICAL EYE DIAGRAM
× 110%
× 90%
23
- 1 PRBS)
Figure 2. Output Termination for Characterization
Typical Operating Characteristics
MAX3656 toc02
MAX3656
BIAS+
OUT-
BIAS-
OUT+
V
I
CC
MOD
I
BIAS
22.1Ω
49.9Ω
EXCELIGHT SLT2886-LR LASER
AVERAGE OPTICAL POWER = -6dBm
EXTINCTION RATIO = 12dB
MASK MARGIN = 31%
V
(1.24416Gbps, 933MHz FILTER,
CC
Laser Driver
V
26.7Ω
121Ω
PATTERN = 2
CC
OPTICAL EYE DIAGRAM
22.1Ω
Z
Z
0
V
0
= 50Ω
CC
= 50Ω
26.7Ω
35.7Ω
23
- 1 PRBS)
OSCILLOSCOPE
MAX3656 toc03
50Ω
50Ω
5